Wristwatch



FIG. 1 is a top plan view of a wristwatch showing my new design;

FIG. 2 is a perspective view thereof with the lid open;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a view thereof from the right of FIG. 6;

FIG. 5 is a view thereof from the left of FIG. 6;

FIG. 6 is a view thereof from the bottom of FIG. 1; and,

FIG. 7 is a view thereof from the side opposite that shown in FIG. 6. 

The ornamental design for a wristwatch, as shown and described. 